#include <stdio.h>   // printf
#include <stdlib.h>  // EXIT_SUCCESS

#ifdef FOO
#define EVEN(x) !(x%2)
#endif
#ifndef DBAR
#define BAZ 333
#endif

int main(int argc, char** argv) {
  int i = EVEN(42) + BAZ;
  printf("%d\n", i);
  return EXIT_SUCCESS;
}